more minor edits

SwiftValidatorTests/SwiftValidatorTests.swift

@@ -37,7 +37,6 @@ class SwiftValidatorTests: XCTestCase {
     
     let REGISTER_TXT_FIELD = UITextField()
     let REGISTER_VALIDATOR = Validator()
-    let REGISTER_VALIDATOR2 = Validator()
     let REGISTER_RULES = [Rule]()
     
     let UNREGISTER_TXT_FIELD = UITextField()

Validator/ViewController.swift

@@ -59,10 +59,6 @@ class ViewController: UIViewController , ValidationDelegate, UITextFieldDelegate
 
     @IBAction func submitTapped(sender: AnyObject) {
         print("Validating...")
-        validator.validateField(UITextField()) { error -> Void in
-            
-        }
-        
         validator.validate()
     }